Anyone running a Windows computer knows how important it is to have good anti-virus software—but you don't need to pay for good protection! If someone you know still doesn't have anti-virus software running, here's a quick guide you can send them to help them set it up. »2/06/15 4:30pm 2/06/15 4:30pm

Unless you had your home theater set up by a professional, chances are you aren't getting the best possible video and sound out of your existing setup. These simple tweaks will take just a little bit of time but will make a world of difference. »1/09/15 5:00pm 1/09/15 5:00pm

In 2005, programmer Henrik Warne developed RSI—repetitive stress injury. Over the course of six months, the condition progressed so severely that he considered a career change. Fortunately, through a combination of actions, he managed to get rid of the pain and fully recover.»1/02/15 4:30pm 1/02/15 4:30pm

Winter is just beginning, and with it comes the winter blues, or worse, Seasonal Affective Disorder. The time to start prepping for those dark and gloomy cold-weather days is now. »11/21/14 4:30pm 11/21/14 4:30pm

Public Wi-Fi networks—like those in coffee shops or hotels—are not nearly as safe as you think. Even if they have a password, you're sharing a network with tons of other people, which means your data is at risk. Here's how to stay safe when you're out and about. »11/14/14 4:30pm 11/14/14 4:30pm

You likely have all sorts of things in your home right now that would serve you well in an emergency, with a few additions and some organization, you'll have a functional kit and contingency plan. »11/07/14 5:00pm 11/07/14 5:00pm

Dear Lifehacker, I hear a lot of arguing about "lossless" and "lossy" music these days, but I'm having a hard time getting straight answers. Does bitrate really matter? Can most people tell the difference between high and low bitrate music files? »10/31/14 4:30pm 10/31/14 4:30pm

Phishing scams—the ones that try to get you to provide private information by masquerading as a legitimate company—can be easy to uncover with a skeptical eye, but some can easily get you when you let your guard down for just a second. Here's how you can boost your phishing detection skills and protect yourself… »10/17/14 4:25pm 10/17/14 4:25pm

We've all heard it before: "You're lucky to have any job." But just because you have one doesn't mean you have to just slog through a crappy one, or deal with the career you don't want. You may just be looking at your position as "just a job" and you have no idea what kind of career you want. It doesn't have to be…»10/10/14 5:00pm 10/10/14 5:00pm

The holiday season is fast approaching, and if you're planning a trip out of town to visit family or friends, time is running out to get the best price on airfare, rental cars, and hotels. If you haven't made your travel arrangements, set aside a little time now to save hundreds of dollars that you don't have to… »9/26/14 4:30pm 9/26/14 4:30pm

One of Lifehacker's main tasks is to help you save money. But once you've saved money, where should you spend it in order to maximize the usefulness of your money spent—or even your happiness? To answer that, just look at what you spend your day doing, proportionally, and allocate money accordingly. I'm going to call… »9/19/14 4:30pm 9/19/14 4:30pm

Upgrading to the newest iPhone hardware means shelling out $200-$400 on contract. If you want to upgrade but don't have the cash, here's how to sell your old iPhone to cover the cost of the new one and then some. »9/12/14 5:00pm 9/12/14 5:00pm

No matter how clean a house you keep, your computers and gadgets are bound to get a little dirty here and there. Here's what you need to clean them, and how to do it without hurting them. »9/05/14 5:00pm 9/05/14 5:00pm

We all create stories to explain what happens in a day. A story is a tool to help us make sense of the world. But what about the future? What would happen if you turned your to-do list into a story as a rehearsal for the next day? Personally, it's helped me not just Get Things Done, but also boosted my memory so that… »8/22/14 4:45pm 8/22/14 4:45pm

You have a 401(k) from an old employer that you haven't looked at in weeks, a high-interest credit card you've been meaning to do something about for months, and cash sitting in your checking account that's doing nothing. You've been meaning to whip your finances into shape for a while now, but haven't had the… »8/15/14 5:00pm 8/15/14 5:00pm

We talk a lot about both privacy and security here at Lifehacker, and while it's relatively easy to be more secure than you are right now, it often feels like it'll take a lot of work. So, we decided to run through a few of the most popular security and privacy measures, from chat encryption to secure backups, and… »8/08/14 5:00pm 8/08/14 5:00pm